Ultrathin EGDS (NBI-chromoendoscopy, biopsy, pathological investigation of the material, H.pilori Determination)Endoscopy Similar services:VideoanoscopyFibroesophagogastroduodenoscopy (FEGDS)VideorectosigmoscopyFibrobronchoscopy sanationControl ultrathin EGDS (before / after endoscopic operation, manipulation)